Alarm clock



FIG. 1 is a bottom view of an alarm clock, showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a first perspective view thereof;

FIG. 5 is a second perspective view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is a top view thereof.

CLAIM The ornamental design for an alarm clock, as shown and described.